Table of Contents

• • Physical machines
  • etcd Cluster
  • Testing
  • Performance
    • reading one single key
    • reading one single key after putting

Physical machines

GCE n1-highcpu-2 machine type

• 1x dedicated local SSD mounted under /var/lib/etcd
• 1x dedicated slow disk for the OS
• 1.8 GB memory
• 2x CPUs
• etcd version 2.2.0

etcd Cluster

1 etcd member running in v3 demo mode

Testing

Use etcd v3 benchmark tool.

Performance

reading one single key

The performance is nearly the same as the one with empty server handler.

reading one single key after putting

The performance with empty server handler is not affected by one put. So the
performance downgrade should be caused by storage package.